<template>
  <div class="temp">
    <mt-header fixed title="项目标题信息">
      <span slot="left" @click="goBack" v-show="flag">
        <mt-button icon="back">返回</mt-button>
      </span>
    </mt-header>
    <!-- 在中间区域占个坑 -->
    <transition>
      <router-view></router-view>
    </transition>
    <nav class="mui-bar mui-bar-tab">
      <router-link class="mui-tab-item-2 mui-active" to="/home">
        <span class="mui-icon mui-icon-home"></span>
        <span class="mui-tab-label">首页</span>
      </router-link>
      <router-link class="mui-tab-item-2" to="/menber">
        <span class="mui-icon mui-icon-contact"></span>
        <span class="mui-tab-label">会员</span>
      </router-link>
      <router-link class="mui-tab-item-2" to="/shopcar">
        <span class="mui-icon mui-icon-extra mui-icon-extra-cart">
          <span class="mui-badge" id="badge">{{$store.getters.getAllCount}}</span>
        </span>
        <span class="mui-tab-label">购物车</span>
      </router-link>
      <router-link class="mui-tab-item-2" to="/search">
        <span class="mui-icon mui-icon-search"></span>
        <span class="mui-tab-label">搜索</span>
      </router-link>
    </nav>
  </div>
</template>
<script>
export default {
  data(){
    return {
      flag:true
    }
  },
  methods:{
    goBack(){
      //返回上一个页面
      this.$router.go(-1);
    }
  },
  watch:{
    "$route.path" :function(newValue){
      if(newValue == "/home"){
        this.flag=false;
      }
      else{
        this.flag=true;
      }
    }
  }
}
</script>
<style lang="scss" scoped>
.temp {
  padding-top: 40px;
  padding-bottom: 50px;
  overflow-x: hidden;
  .mint-header {
    z-index: 99;
  }
}
.v-enter {
  opacity: 0;
  transform: translateX(100%);
}
.v-leave-to {
  //这一步解决动画先从下面出现再飘上来的问题
  position: absolute;
  opacity: 0;
  transform: translateX(-100%);
}
.v-enter-active,
.v-leave-active {
  transition: all 0.5s ease;
}
//这里将所有的mui-tab-item类名改成mui-tab-item-2是为了解决点击图片分类后
//无法切换底部tabbar组件的问题
.mui-bar-tab .mui-tab-item-2 {
  display: table-cell;
  overflow: hidden;
  width: 1%;
  height: 50px;
  text-align: center;
  vertical-align: middle;
  white-space: nowrap;
  text-overflow: ellipsis;
  color: #929292;
}
.mui-bar-tab .mui-tab-item-2 .mui-icon {
  top: 3px;
  width: 24px;
  height: 24px;
  padding-top: 0;
  padding-bottom: 0;
}
.mui-bar-tab .mui-tab-item-2 {
  display: table-cell;
  overflow: hidden;
  width: 1%;
  height: 50px;
  text-align: center;
  vertical-align: middle;
  white-space: nowrap;
  text-overflow: ellipsis;
  color: #929292;
}
.mui-bar-tab .mui-tab-item-2 .mui-icon ~ .mui-tab-label {
  font-size: 11px;
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mui-bar-tab .mui-tab-item-2 {
  display: table-cell;
  overflow: hidden;
  width: 1%;
  height: 50px;
  text-align: center;
  vertical-align: middle;
  white-space: nowrap;
  text-overflow: ellipsis;
  color: #929292;
}
</style>

